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Table 2 Body composition, strength and maximal oxygen uptake pre- and posttraining

From: Combined protein and calcium β-hydroxy-β-methylbutyrate induced gains in leg fat free mass: a double-blinded, placebo-controlled study

 WP + PLA (n = 7)WP + HMB (n = 8)
PrePosttPCohen’s dPrePosttPCohen’s d
Body composition
 Body mass, kg80.3 ± 10.383.2 ± 11.4− 2.90.33− 1.10 (− 2.5, 0.3)79.4 ± 9.682.8 ± 8.9− 4.360.04− 1.54 (− 3.1, − 0.03)
 FM, kg15.6 ± 7.016.2 ± 7.2−0.84> 0.5− 0.32 (− 1.42, 0.81)14.0 ± 5.414.0 ± 4.80.03> 0.50.01 (− 1, 1.02)
 FM, %18.9 ± 7.418.9 ± 7.50.06> 0.50.02 (− 1.06, 1.10)17.4 ± 5.816.7 ± 5.00.87> 0.50.31 (− 0.74, 1.34)
 CSAFFM arm, cm2*55 ± 659 ± 8− 4.86< 0.01−1.84 (− 3.72, − 0.06)61 ± 1367 ± 14− 5.25< 0.01−1.86 (− 3.62, − 0.19)
 CSAFFM leg, cm2**160 ± 16166 ± 16− 3.720.031−1.41 (− 2.99, 0.14)161 ± 24168 ± 25−5.53< 0.01−1.96 (− 3.78, − 0.23)
Maximal strength
 Bench press, kg54 ± 1366 ± 16− 9.4< 0.001− 3.55 (− 6.76, − 0.73)57 ± 1269 ± 13− 13.98< 0.001− 4.94 (− 8.98, − 1.43)
 Leg press, kg177 ± 35290 ± 60−9.58< 0.001− 3.62 (− 6.89, − 0.76)185 ± 52286 ± 54− 10.59< 0.001−3.74 (− 6.86, − 0.98)
Maximal oxygen uptake
 ml·min− 14.4 ± 0.54.3 ± 0.30.74> 0.50.28 (− 0.84, 1.38)4.3 ± 0.54.2 ± 0.50.41> 0.50.14 (− 0.88, 1.16)
 ml·min− 1·kg− 155.0 ± 6.652.5 ± 7.21.9> 0.50.72 (− 0.52, 1.93)54.2 ± 4.151.5 ± 6.51.4> 0.50.49 (− 0.6, 1.56)
  1. *n = 28 for arm CSAFFM (WP + HMB: n = 14, WP + PLA: n = 14
  2. **n = 26 for leg CSAFFM (WP + HMB: n = 12, WP + PLA: n = 14